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    • 32. 发明授权
    • Method and apparatus for detecting an abnormal current in automotive
wiring harnesses
    • 用于检测汽车线束中的异常电流的方法和装置
    • US5854555A
    • 1998-12-29
    • US818041
    • 1997-03-14
    • Tohru Sasaki
    • Tohru Sasaki
    • G01R31/02B60R16/02G01M17/007G01R19/165G01R31/00H02H3/087H02H3/40G01R27/26
    • G01R31/007G01R31/025
    • A current flowing through the automotive battery and the battery voltage are measured by the battery current measuring means and the battery voltage measuring means. The battery is connected to a plurality of wiring harnesses which in turn connect to a plurality of loads. Data on normal resistance values between the battery and the wiring harnesses as produced by each of the loads being activated are stored and held in the load current data holding means. When the resistance value comparison means determines that the resistance value between the battery and the wiring harnesses calculated by the resistance value calculating means does not agree with the data of normal resistance values between the battery and the wiring harnesses held by the load resistance data holding means and produced by each of the loads being activated, it is decided that abnormal currents are flowing through the wiring harnesses.
    • 通过电池电流测量装置和电池电压测量装置测量流过汽车电池的电流和电池电压。 电池连接到多个线束,线束又连接到多个负载。 由每个被激活的负载产生的电池和线束之间的正常电阻值的数据被存储并保存在负载电流数据保持装置中。 当电阻值比较装置确定由电阻值计算装置计算的电池和线束之间的电阻值与由负载电阻数据保持装置保持的电池和线束之间的正常电阻值的数据不一致时, 并且由每个负载被激活产生,则判定异常电流流过线束。